A capacitor is used to store 24 watt hour of energy at 1200 volt.

A capacitor is used to store 24 watt hour of energy at 1200 volt. What should be the capacitance of the capacitor?

Options

(a) 120 mF
(b) 120 μF
(c) 24 μF
(d) 24 μF

Correct Answer:

120 mF

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

View Comments (1)

  • U= 24 watt hour= 24×60×60
    V= 1200 volt
    U= 1/2 CV^2
    C = 2U/V×V
    C = 2×24×60×60/1200×1200
    C= 0.12 F
    C= 120×10^-3 F
    C= 120mF

Related Questions

  1. A particle is under two mutually perpendicular simple harmonic motions
  2. The wavelength of the short radio waves, microwaves, ultraviolet waves are λ₁,λ₂ and λ₃
  3. A wheel has moment of inertia 5 x 10⁻³ kgm² and is making 20 revolutions per sec
  4. The distance travelled by a particle starting from rest and moving with an acceleration
  5. An ideal gas is expanding such that PT²=constant. The coefficient of volume